No, but PA is the U. S. Postal Service abbreviation of Pennsylvania, a U. S. state in North America.

The smallest U. S. state by area, Rhode Island, covers 1045 square miles.

The area of the U. S. Virgin Islands is 347 square miles, but although it is owned by the U. S., it is not a state of the U. S.

The 2005 estimate is 2,475,000.

However, Coahuila is not a U. S. state; it is a Mexican state that borders the U. S.

Yes, that is true of U. S. Senators and U. S. Representatives. State Senators have districts from which the are elected.

Of course, for states that have one U. S. Representative, the whole state is their district. They are known as At Large Representatives.

The 2010 U. S. Census counted 6,724,540 people in the State of Washington, making it the 13th-largest U. S. state by population.